| http://www.w3.org/ns/prov#value | - ns the same) and the camera MTF (which increases with the D20 because of its finer pixel pitch).Norman Koren goes into more detail on his sitehttp://www.normankoren.com/Tutorials/MTF.htmlThe classical formula for system MTF is 1/r = 1/r1 + 1/r2 + ... + 1/rn, where r is the system MTF and r1, r2, etc are the MTFs of the lens, sensor and other components.
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